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    • 52. 发明授权
    • Loop knot tying method and apparatus
    • 环结捆扎方法和装置
    • US3940169A
    • 1976-02-24
    • US517110
    • 1974-10-22
    • Ronald W. Kock
    • Ronald W. Kock
    • A61F13/34A61F13/20B65B51/08B65H69/04
    • B65B51/08A61F13/2085
    • A process and apparatus for forming from string a simple loop knot either through or about a product. While individual products may be hand-fed to the apparatus, the apparatus is adapted to perform the process continuously, rapidly and automatically upon a product in the form of a continuous flexible web utilizing a single, continuous, external string source. In an exemplary embodiment the apparatus comprises a rotating drum carrying a plurality of identical heads, each head operating upon a segment of the product web to form individual loop knotted products therefrom. Although the number of operations performed by each head upon the product web may be varied, in the exemplary embodiment to be described each head is provided with operating instrumentalities to pleat the web, clamp the pleated web, seal the web at a glue stripe printed thereon, meter the correct length of string, cut the metered string, pierce the pleated web, form a simple loop knot through the pierced hole and about the side of the web, cut the web and display a finished individual product by its string for pick-up by a discharge transfer means.
    • 用于通过或通过产品形成简单的环结的方法和装置。 虽然单独的产品可以被手动馈送到设备,但是该设备适于在使用单个,连续的外部串源的连续柔性网的形式的产品上连续,快速和自动地执行该过程。 在示例性实施例中,该装置包括承载多个相同头部的旋转滚筒,每个头部在产品卷材的一段上操作以从其形成单个的环形打结产品。 虽然每个头部在产品卷筒纸上执行的操作次数可以变化,但在要描述的示例性实施例中,每个头部都设置有打褶卷筒纸的操作手段,夹紧打褶的卷筒纸, ,测量字符串的长度,切割计量的字符串,刺穿打褶的网,通过穿孔和围绕网的侧面形成一个简单的环结,切割网,并通过其字符串显示成品, 通过排出传送装置。